: Former director Bernd Doppler warns her that "what we know is a drop; what we don't know, an ocean". He leads her to a secret stash of yellow nuclear waste barrels hidden deep within the caves.
A major plotline follows the Tiedemann and Doppler families in 1986: Watch Dark - s01e03 Past and Present
: She officially takes over as director of the nuclear power plant. : Former director Bernd Doppler warns her that
: At Winden High, Mikkel encounters his parents as teenagers—a rebellious Ulrich and a bulling Katharina —who mock him without realizing who he is. : At Winden High, Mikkel encounters his parents
: Helge Doppler , a simple groundskeeper, gives Claudia a copy of A Journey Through Time by H.G. Tannhaus . Atmospheric Phenomena and Connections
: He visits his own home, finding a younger Jana Nielsen , who is distraught over her own son Mads —Ulrich’s brother—who has been missing for a month.
Mikkel Nielsen emerges from the caves to find himself in a world that looks like his own but feels eerily wrong.